1 - Cap
2 - Wheel bolt floor adapter
3 - Adapter (two pieces, included in the car tool kit)
Removal:
- Turn cap "1" slightly to the left with the wheel wrench and remove it.
- Take the adapter from the tool kit and insert it into the head of the key.
- Remove wheel bolt "2".
After tightening the bolt, remove the adapter from it and replace the cap.